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HVAC

WALLMASTER THRU-THE-WALL UNIT

Cooling Only Air Conditioner

Whether you’re replacing an existing 27" air conditioner or just want the ultimate thru-the-wall unit,

WallMaster is the perfect fit. Built with the finest commercial-grade materials and components, WallMaster

is durable, yet quiet. Its solid-side sleeve assures maximum performance in thicker wall applications and

gives you multiple installation options.

Choose from cooling-only, cooling with electric heat or heat pump models. All WallMasters have a wireless

remote plus convenient top-mount controls, a 24-hour programmable timer, an energy-efficient Money

Saver® setting and other premium features.

Locke#

Model

Cooling Capacity BTY/Hr. Volts Amps Watts EER Energy

Efficiency Ratio

Moisture

Removal Pints/Hr.

Indoor

CFM

L4030

WS10C30

10,000/9800

230/208 4.5/4.9 1020/1000 9.8/9.8

1.5

260

27" THRU-THE-WALL AIR CONDITIONERS

A perfect fit for Fedders A&B sleeves.

Programmable cooling or heat/cool models with

easy-to-use manual controls. Mounts flush with

the exterior wall.

• AHAM certified performance

• Manual control cooling plus heat pump or

electric heat models

• Chassis and sleeve sold separately to

accommodate new construction and old unit

replacement

• Ultra quiet operation

• Three speed fan

• Efficient rotary compressor

• Easy to clean, removable filter with

antimicrobial treatment for protection against

fungal and bacterial growth

• Residential/Commercial application

• The most energy efficient

solid-side air conditioners

• Exact fit for Fedders sleeves.

Measures 27"W x 16¾" H

• Ultra quiet operation

• Three-speed fan

• Mounts flush with the exterior wall

• Magna 1 copper coils

• Efficient rotary compressor

• Easy-to-reach, top mount controls

• Easy-to-clean filter with antimicrobial

treatment for protection against fungal and

bacterial growth.

WSC SLEEVE

With Standard Grill

For use with

L4030

through

L4034

Thru-The-Wall Air Conditioners 27"W

x 16¾" H

Locke#

L4035

WSC Sleeve with Grill

PERFORMANCE DATA

LOCKE CODE

L4031

L4032

L4033

L4034

MODEL NO.

WS12C30 WY09C33 WE10C33 WE12C33

Capacity Cooling BTU/h 10,000/9800 9300/9000 10,000/9800 11,500/11,200

Capacity Heating BTU/h

7500/7500 11,000/9100 11,000/9100

EER

9.8/9.8.

9.8/9.8

Moisture Removal Pt/h

3.0

2.1

1.5

3.0

.Air Flow (High) CFM

290

260

290

ELECTRICAL DATA

VoIts Rated

208/230 208/230 208/230

208/230

Cooling Amps

4.5-4.9

4.3-4.6

4.5-4.9

5.5-6.0

Cooling Watts

1174/1143 949/918 1020/1000 1174/1143

Heating Amps

3.9/4.1 16.0/14.7 16.0/14.7

Heating Watts

833/833 3550/2950 3550/2950